Panasonic GP6DU - Page 94

Panasonic GP6DU

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Figure 40 - 3.3V SOS and 5V SOS Detect Circuit (TH-42XVS30)

88

Table of Contents

Table of Contents3
Introduction7
Model Line up9
New Features and Circuit Improvements11
Boards Layout15
TH-42PD25U Boards Layout (GP6DU)15
TH-42PX25U Boards Layout (GPH6DU)15
TH-50PX25U Boards Layout (GPH6DU)16
TH-42XVS30 (Onyx) Boards Layout (GPH7D)16
TH-50XVS30 (Onyx) Boards Layout (GPH7D)17
TH-65XVS30 (Onyx) Boards Layout (GPH7D)17
Video Block19
GP6DU and GPH6DU Chassis19
GPH7D (Onyx)27
- ONYX J Board Video Selector27
- ONYX J Board Sync Selector28
- ONYX DR Board Block Diagram29
- Onyx Rgb/Sync Analog to Digital Conversion31
- Onyx Data Drive Operation32
GPH7D (Onyx) Tuner Receiver33
- Photo Viewer34
Power-On Operation35
Power-On Operation (TH-42PD25U)35
- TH-42PD25U-P Standby Circuit35
- TH-42PD25U-P Power-On with Switch on the Front Panel35
- TH-42PD25U-P Power-On with Remote Control36
Power on Operation (TH-42PX25U)41
- TH-42PX25U-P CPU Requirements and Standby Circuit41
- TH-42PX25U-P Power-On with Switch on Front Panel44
- TH-42PX25U-P Power-On with Remote Control44
Power-On Operation (TH-65XVS30U)47
- Power-On with Switch on Front Panel47
- Power-On with Remote Control48
Protection Circuits51
TH-42PD25U-P Protection Circuits51
- TH-42PD25U PA Board SOS Detect53
- TH-42PD25U 3.3V SOS Detect57
- TH-42PD25U SC and SS SOS Detect58
Troubleshooting Chart for the TH-42PD25U63
- Power LED Blinks 2 Times63
- Power LED Blinks 3 Times64
- Power LED Blinks 4 Times65
- Power LED Blinks 5 Times66
- Power LED Blinks 7 Times67
- Power LED Blinks 9 Times68
- Power LED Blinks 12 Times69
SOS Troubleshooting (TH-42PX20U)71
Troubleshooting Chart for the TH-42PX20U75
- Power LED Blinks 2 Times75
- Power LED Blinks 3 Times76
- Power LED Blinks 4 Times77
- Power LED Blinks 5 Times78
- Power LED Blinks 7 Times79
- Power LED Blinks 9 Times80
- Power LED Blinks 12 Times81
- Power LED Blinks 13 Times82
TH-42PX25U-P Protection Circuits83
- TH-42PX25U PA Board SOS Detect85
- TH-42PX25U 3.3V SOS Detect86
- TH-42PX25U 5V SOS Detect Circuit (D Board)86
- TH-42PX25U SC and SS SOS Detect88
- TH-42XVS30 Protection Circuits91
- TH-42XVS30 3.3V SOS Detect Circuit (D Board)93
- TH-42XVS30 5V SOS Detect Circuit (D Board)93
- TH-42XVS30 SC and SS SOS Detect96
- TH-42XVS30 Tuner SOS Detect98
- TH-42XVS30 Power SOS Detect99
- TH-42XVS30 Fan SOS Detect99
Troubleshooting Chart for the TH-42XVS30105
- Power LED Blinks 2 Times105
- Power LED Blinks 3 Times106
- Power LED Blinks 4 Times107
- Power LED Blinks 5 Times108
- Power LED Blinks 7 Times108
- Power LED Blinks 7 Times109
- Power LED Blinks 9 Times110
- Power LED Blinks 12 Times111
Service Notes113
TH-37PA20U TH-42PA20U (Service Hint SH-B19-04-06)113
TH-37PA20U TH-42PA20U (Service Bulletin # SB-B19-04-01)114
- IC551 Failure114
TH-37PD25U, TH-37PX25U, TH-42PD25U, TH-42PX25U, and TH50PX25U115
- Heat Transfer Pads for Models Number: TH-37PD25U, TH-37PX25U, TH- 42PD25U, TH-42PX25U, and TH50PX25U115
- Corrupted EEPROM Data in the 480I Addressing Area for Models Number: TH-37PD25U, TH-37PX25U, TH-42PD25U, TH-42PX25U, and TH-50PX25U (Service Bulletin SB-B19-04-12)116
Th-37Px25U, Th-42Px25U, Th-50Px25U119
- Remedy to Reduce the Rattle Noise from Speaker119
TH-42XVS30 (Onyx)119
- Information about the Speakers119
Alignment Procedures120
- Pedestal Setting120
- NTSC White Balance Adjustment121
- HD Panel White Balance Adjustment122
- Sub Brightness Setting123
- Hotel Mode Operation124
- Entry to Hotel Mode124

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